Mayhew 1958 Journal 121. Dec. 13 UCR campus, Riverside Co., Calif. Today Frank Aubrey & I took turns making observations from the blind on A area at the south edge of the campus. We were looking for Sceloporus orcutti, but didn't see any. The only animals seen were: Uta stansburiana Calif. quail Mockingbird Sparrow hawk Brown towhee Canyon wren Red-shafted flicker The day was very pleasant and warm (maximum air temp. was 84°F.). Dec. 18 5 mi. W. of Glamis, Imperial Co., Calif. Frank Aubrey & I left our house at 2125 and drove to our collecting site in the Yuma Dunes. We reached our campsite at 0050 (12/19/58) after an uneventful trip of 176 miles. The minimum temp. tonight was 44°F. The weather was calm and clear. Dec. 19 We arose at 0915. We took our time making camp because it was too cool for reptile activity yet. (Gravel trucks kept us awake from 0600 on.) We began looking for reptiles at 1050. The first lizard seen (young Uma notata) was spotted at 1119. At this time, the air